/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.cassandra.cql3.restrictions; import java.nio.ByteBuffer; import java.util.List; import java.util.NavigableSet; import org.apache.cassandra.config.ColumnDefinition; import org.apache.cassandra.cql3.QueryOptions; import org.apache.cassandra.cql3.functions.Function; import org.apache.cassandra.cql3.statements.Bound; import org.apache.cassandra.db.Clustering; import org.apache.cassandra.db.MultiCBuilder; import org.apache.cassandra.db.Slice; import org.apache.cassandra.db.filter.RowFilter; import org.apache.cassandra.exceptions.InvalidRequestException; import org.apache.cassandra.index.SecondaryIndexManager; /** * A <code>PrimaryKeyRestrictions</code> which forwards all its method calls to another * <code>PrimaryKeyRestrictions</code>. Subclasses should override one or more methods to modify the behavior * of the backing <code>PrimaryKeyRestrictions</code> as desired per the decorator pattern. */ abstract class ForwardingPrimaryKeyRestrictions implements PrimaryKeyRestrictions { /** * Returns the backing delegate instance that methods are forwarded to. * @return the backing delegate instance that methods are forwarded to. */ protected abstract PrimaryKeyRestrictions getDelegate(); @Override public void addFunctionsTo(List<Function> functions) { getDelegate().addFunctionsTo(functions); } @Override public List<ColumnDefinition> getColumnDefs() { return getDelegate().getColumnDefs(); } @Override public ColumnDefinition getFirstColumn() { return getDelegate().getFirstColumn(); } @Override public ColumnDefinition getLastColumn() { return getDelegate().getLastColumn(); } @Override public PrimaryKeyRestrictions mergeWith(Restriction restriction) throws InvalidRequestException { return getDelegate().mergeWith(restriction); } @Override public boolean hasSupportingIndex(SecondaryIndexManager secondaryIndexManager) { return getDelegate().hasSupportingIndex(secondaryIndexManager); } @Override public List<ByteBuffer> values(QueryOptions options) throws InvalidRequestException { return getDelegate().values(options); } @Override public MultiCBuilder appendTo(MultiCBuilder builder, QueryOptions options) { return getDelegate().appendTo(builder, options); } @Override public NavigableSet<Clustering> valuesAsClustering(QueryOptions options) throws InvalidRequestException { return getDelegate().valuesAsClustering(options); } @Override public List<ByteBuffer> bounds(Bound bound, QueryOptions options) throws InvalidRequestException { return getDelegate().bounds(bound, options); } @Override public NavigableSet<Slice.Bound> boundsAsClustering(Bound bound, QueryOptions options) throws InvalidRequestException { return getDelegate().boundsAsClustering(bound, options); } @Override public MultiCBuilder appendBoundTo(MultiCBuilder builder, Bound bound, QueryOptions options) { return getDelegate().appendBoundTo(builder, bound, options); } @Override public boolean isInclusive(Bound bound) { return getDelegate().isInclusive(bound.reverse()); } @Override public boolean isEmpty() { return getDelegate().isEmpty(); } @Override public int size() { return getDelegate().size(); } @Override public boolean isOnToken() { return getDelegate().isOnToken(); } @Override public boolean isSlice() { return getDelegate().isSlice(); } @Override public boolean isEQ() { return getDelegate().isEQ(); } @Override public boolean isIN() { return getDelegate().isIN(); } @Override public boolean isContains() { return getDelegate().isContains(); } @Override public boolean isNotNull() { return getDelegate().isNotNull(); } @Override public boolean isMultiColumn() { return getDelegate().isMultiColumn(); } @Override public boolean hasBound(Bound b) { return getDelegate().hasBound(b); } @Override public void addRowFilterTo(RowFilter filter, SecondaryIndexManager indexManager, QueryOptions options) throws InvalidRequestException { getDelegate().addRowFilterTo(filter, indexManager, options); } }